Vertical sorter



FIG. 1 is a top, right front perspective view of a vertical sorter showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a right side elevational view, the left side being a mirror image thereof; and,

FIG. 7 is a top, right front perspective view thereof.

FIGS. 2 through 6 have been drawn to an enlarged scale with respect to FIG. 1. The letter tray depicted by means of broken lines in FIG. 7 is shown for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a vertical sorter, as shown and described. 